The Smoker's fire lobe Pyrolobus fumarii Former Stetter world record for high temperature Optimum106°C,naximum113°C Survives 1 hour in an autoclave at 120CThe Smoker’s fire lobe Pyrolobus fumarii Former Stetter world record for high temperature Optimum 106°C, maximum 113°C Survives 1 hour in an autoclave at 120°C